Hi Darragh, Thanks a lot for your reply and suggestions. I am not able to ping the gateway ip from the namespace. Also eth0 is up but br-ex has unknown state? ########################################################################### #######################
root@openstack-2:~# ip link 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000 link/ether 78:2b:cb:27:1f:c8 brd ff:ff:ff:ff:ff:ff 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000 link/ether 78:2b:cb:27:1f:c9 brd ff:ff:ff:ff:ff:ff 4: br-int: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN link/ether f2:3b:f7:1b:b0:46 brd ff:ff:ff:ff:ff:ff 6: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN link/ether 78:2b:cb:27:1f:c8 brd ff:ff:ff:ff:ff:ff 32: br-tun: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN link/ether 7e:6c:65:0f:c9:43 brd ff:ff:ff:ff:ff:ff ########################################################################### ####################### Here is the result of the tcpdump as ping is being done: ########################################################################### ####################### root@openstack-2:~# ip netns exec qrouter-32f35fb4-f9f1-4817-8818-fff832f73810 ping -c1 10.245.124.253 connect: Network is unreachable root@openstack-2:~# tcpdump -nei eth0 tcpdump: WARNING: eth0: no IPv4 address assigned tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 13:46:31.399055 00:26:88:7a:40:87 > 01:80:c2:00:00:00, 802.3, length 60: LLC, dsap STP (0x42) Individual, ssap STP (0x42) Command, ctrl 0x03: STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8000.00:26:88:7a:40:81.8205, length 43 13:46:33.259195 c2:35:07:e7:b0:10 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x0806), length 60: Reply 10.245.0.10 is-at c2:35:07:e7:b0:10, length 46 13:46:33.313988 00:26:88:7a:40:87 > 01:80:c2:00:00:00, 802.3, length 60: LLC, dsap STP (0x42) Individual, ssap STP (0x42) Command, ctrl 0x03: STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8000.00:26:88:7a:40:81.8205, length 43 ########################################################################### ####################### The other information that you wanted is: ########################################################################### ####################### root@openstack-2:~# ip link 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000 link/ether 78:2b:cb:27:1f:c8 brd ff:ff:ff:ff:ff:ff 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000 link/ether 78:2b:cb:27:1f:c9 brd ff:ff:ff:ff:ff:ff 4: br-int: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN link/ether f2:3b:f7:1b:b0:46 brd ff:ff:ff:ff:ff:ff 6: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN link/ether 78:2b:cb:27:1f:c8 brd ff:ff:ff:ff:ff:ff 32: br-tun: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN link/ether 7e:6c:65:0f:c9:43 brd ff:ff:ff:ff:ff:ff ########################################################################### ####################### root@openstack-2:~# ip netns exec qrouter-32f35fb4-f9f1-4817-8818-fff832f73810 ip address 25: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 39: qr-eebfe1cb-0f: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN link/ether fa:16:3e:08:16:19 brd ff:ff:ff:ff:ff:ff inet 50.50.1.1/24 brd 50.50.1.255 scope global qr-eebfe1cb-0f inet6 fe80::f816:3eff:fe08:1619/64 scope link valid_lft forever preferred_lft forever 40: qg-910fef3b-cb: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN link/ether fa:16:3e:e3:d5:fa brd ff:ff:ff:ff:ff:ff inet 10.245.124.65/26 brd 10.245.124.127 scope global qg-910fef3b-cb inet 10.245.124.67/32 brd 10.245.124.67 scope global qg-910fef3b-cb inet6 fe80::f816:3eff:fee3:d5fa/64 scope link valid_lft forever preferred_lft forever ########################################################################### ####################### root@openstack-2:~# quantum net-show 37d27ee8-36a9-4cdb-9966-9b5571526b41 +---------------------------+--------------------------------------+ | Field | Value | +---------------------------+--------------------------------------+ | admin_state_up | True | | id | 37d27ee8-36a9-4cdb-9966-9b5571526b41 | | name | ext_net | | provider:network_type | gre | | provider:physical_network | | | provider:segmentation_id | 1 | | router:external | True | | shared | True | | status | ACTIVE | | subnets | dd6f08f5-bfbd-4bdb-b9e4-c5ca065f3750 | | tenant_id | 2990df1bd46c4dda915b43558d591a2f | +---------------------------+--------------------------------------+ ########################################################################### ####################### root@openstack-2:~# quantum subnet-show dd6f08f5-bfbd-4bdb-b9e4-c5ca065f3750 +------------------+-----------------------------------------------------+ | Field | Value | +------------------+-----------------------------------------------------+ | allocation_pools | {"start": "10.245.124.65", "end": "10.245.124.126"} | | cidr | 10.245.124.64/26 | | dns_nameservers | 10.245.0.10 | | enable_dhcp | False | | gateway_ip | 10.245.124.253 | | host_routes | | | id | dd6f08f5-bfbd-4bdb-b9e4-c5ca065f3750 | | ip_version | 4 | | name | | | network_id | 37d27ee8-36a9-4cdb-9966-9b5571526b41 | | tenant_id | 2990df1bd46c4dda915b43558d591a2f | +------------------+-----------------------------------------------------+ ########################################################################### ####################### Thanks, -Farhan. On 5/27/13 4:08 AM, "Darragh OReilly" <darragh.orei...@yahoo.com> wrote: > >I'd check the external network config first. > >You should be able to ping the external subnet's gateway from the router >namespace. >This gateway should correspond to some real external gateway/router. > >quantum subnet-show <ext sub id> -c gateway_ip # 10.245.124.1 ? >ip netns exec <router-ns> ping -c1 <ext sub gateway> > >If that is not working use tcpdump as you ping. Br-ex is using eth0, is >eth0 up? tcpdump -nei eth0 > > >If you are still having problems, post the above output and the following: > ># network node >ip link >ip netns exec <router-ns> ip address > >quantum net-show <uuid of external net> >quantum subnet-show <uuid of external subnet> > > >>________________________________ >> From: Farhan Patwa <farhan.pa...@utsa.edu> >>To: OpenStack Maillist <openstack@lists.launchpad.net> >>Sent: Friday, 24 May 2013, 20:28 >>Subject: [Openstack] VM Issues on Grizzly Install on Ubuntu 12.04 >> >> >> >>Hello, >>I followed the following guide to install Grizzly release on 3-node >>setup. >>http://docs.openstack.org/grizzly/basic-install/apt/content/basic-install >>_intro.html >> >> >>I am stuck at my last issue with Quantum networking (at least that¹s >>what I think). >>The VM instance comes up and gets the private IP and the metadata. >>Also I have assigned the floating IP to it but am not able to ping >>either IP except when I use: >> >> >>ip netns exec qrouter-32f35fb4-f9f1-4817-8818-fff832f73810 ping >>50.50.1.3 <- fixed IP private network >>ip netns exec qrouter-32f35fb4-f9f1-4817-8818-fff832f73810 ping >>10.24.124.4 <- floating IP external network >> >> >>Based on that I think the security rules are okay >>The router is tied to the specified tenant and using gateway of the >>external network. >>I think the issue is routing table or maybe firewall related but not >>sure how to debug this. >> >> >>Some details of my environment are below. >>Any one have any words of wisdom/guidance? >> >> >>Thanks, >> >> >>-Farhan. >> >> >>Management Network: 192.168.0.0/24 >>Data Network: 10.5.5.0/24 >>External Network: 10.245.124.0/24 >> >> >>Network Node: (192.168.0.2) >>ovs-vsctl show >>ea4fa894-5986-40f2-b10b-55eef2222408 >> Bridge br-tun >> Port patch-int >> Interface patch-int >> type: patch >> options: {peer=patch-tun} >> Port "gre-1" >> Interface "gre-1" >> type: gre >> options: {in_key=flow, out_key=flow, >>remote_ip="192.168.0.3"} >> Port br-tun >> Interface br-tun >> type: internal >> Bridge br-int >> Port "tap3fca71a9-c8" >> tag: 4095 >> Interface "tap3fca71a9-c8" >> type: internal >> Port patch-tun >> Interface patch-tun >> type: patch >> options: {peer=patch-int} >> Port "tap4b8a22a2-9c" >> tag: 4095 >> Interface "tap4b8a22a2-9c" >> type: internal >> Port "tap633ed611-a9" >> tag: 1 >> Interface "tap633ed611-a9" >> type: internal >> Port "qr-eebfe1cb-0f" >> tag: 1 >> Interface "qr-eebfe1cb-0f" >> type: internal >> Port br-int >> Interface br-int >> type: internal >> Bridge br-ex >> Port "eth0" >> Interface "eth0" >> Port br-ex >> Interface br-ex >> type: internal >> Port "qg-910fef3b-cb" >> Interface "qg-910fef3b-cb" >> type: internal >> ovs_version: "1.4.0+build0" >> >> >>Kernel IP routing table >>Destination Gateway Genmask Flags Metric Ref Use >>Iface >>0.0.0.0 192.168.0.253 0.0.0.0 UG 0 0 0 >>eth1 >>10.5.5.0 0.0.0.0 255.255.255.0 U 0 0 0 >>eth1 >>10.245.124.0 0.0.0.0 255.255.255.0 U 0 0 0 >>br-ex >>192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 >>eth1 >> >> >>Compute Node: (192.168.0.3) >>ovs-vsctl show >>f0fe78a5-dfd0-4f6b-87be-466dac0b4473 >> Bridge br-tun >> Port patch-int >> Interface patch-int >> type: patch >> options: {peer=patch-tun} >> Port br-tun >> Interface br-tun >> type: internal >> Port "gre-2" >> Interface "gre-2" >> type: gre >> options: {in_key=flow, out_key=flow, >>remote_ip="192.168.0.2"} >> Bridge br-int >> Port patch-tun >> Interface patch-tun >> type: patch >> options: {peer=patch-int} >> Port br-int >> Interface br-int >> type: internal >> Port "tap6514a8cc-b2" >> tag: 1 >> Interface "tap6514a8cc-b2" >> ovs_version: "1.4.0+build0" >> >> >>Kernel IP routing table >>Destination Gateway Genmask Flags Metric Ref Use >>Iface >>0.0.0.0 192.168.0.253 0.0.0.0 UG 0 0 0 >>eth1 >>10.5.5.0 0.0.0.0 255.255.255.0 U 0 0 0 >>eth1 >>10.245.124.0 0.0.0.0 255.255.255.0 U 0 0 0 >>eth0 >>192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 >>eth1 >> >> >>_______________________________________________ >>Mailing list: https://launchpad.net/~openstack >>Post to : openstack@lists.launchpad.net >>Unsubscribe : https://launchpad.net/~openstack >>More help : https://help.launchpad.net/ListHelp >> >> >> > _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp